package com.imooc.shell.service.impl;

import com.imooc.shell.dto.OrderDTO;
import com.imooc.shell.enums.ResultEnum;
import com.imooc.shell.exception.SellException;
import com.imooc.shell.service.BuyerService;
import com.imooc.shell.service.OrderService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Slf4j
@Service
public class BuyerServiceImpl implements BuyerService {

    @Autowired
    private OrderService orderService;

    @Override
    public OrderDTO findOrderOne(String openid, String orderId) {
        return checkOrderOwner(openid, orderId);
    }

    @Override
    public OrderDTO orderCancel(String openid, String orderId) {

        OrderDTO orderDTO = checkOrderOwner(openid, orderId);
        if (orderDTO == null) {
            log.error("「取消订单」查不到该订单");
            throw new SellException(ResultEnum.ORDER_NOT_EXIST);
        }
        return orderService.cancel(orderDTO);
    }

    private OrderDTO checkOrderOwner(String openid, String orderId) {
        OrderDTO orderDTO = orderService.findOne(orderId);
        if (orderDTO == null) {
            return null;
        }
        // 判断是否是自己的订单
        if (!orderDTO.getBuyerOpenid().equals(openid)) {
            log.error("「查询订单」 订单的openid不一致。openid={}", openid);
            throw new SellException(ResultEnum.ORDER_OWNER_ERROR);
        }
        return orderDTO;
    }
}
